Predict the conditions (high temperature, low temperature, all temperatures, or no temperatures) under which each reaction is spontaneous.a. H2O( g)¡H2O(l )b. CO2(s)¡CO2( g)c. H2( g)¡2 H( g)d. 2 NO2( g)¡2 NO( g) + O2( g) (endothermic)

Q: What is the entropy change for the universe, delta Suniv, for the vaporization of one mole of CH3OH…

A: The solution is as follows :

Q: Which of these reactions is expected to be spontaneous at all temperature?          (A

A: We have to tell which reactions is expected to be spontaneous at all temperature

Q: 15) Consider the following reaction at 25°C. If the pressure of H2 is 1.00 atm, the pressure of N2…

A:

Q: Which reaction below would result in a net decrease in entropy?   I2(g) ↔ 2I(g)   N2O(g) + 2H2O(g)…

A: Entropy is the measure of randomness or we can say that if a system is more disordered then its…

Q: A reaction is nonspontaneous at room temperature but is spontaneous at -40oC. What can you say about…

A: To determine the signs and relative magnitudes of ∆H, ∆S, and -T∆S.

Q: By is an exothermic reaction. 1) Ag) Analyze when this reaction is spontaneous (i.e. spontaneous at…

A:

Q: Which reaction below has a positive change in entropy? O2 KCIO, (s) --> 2 KCI (s) + 3 02 (g) O 2 H2…

A: A positive (+) entropy change means an increase in disorder.

Q: Consider the combustion of propane gas:C3H8(g) + 5 O2(g)---------->3 CO2(g) + 4 H2O(g) ΔHrxn =…

A: The reaction of combustion of propane

Q: es the following reaction become non spontaneous? 2 H2S(g) + 3 O2 (g) ⟶⟶ 2 SO2(g) + 2 H2O(g)     ΔH…

A: In classical thermodynamics, the chemical reaction is called non-spontaneous if the Gibbs free…

Q: Consider the reaction: 4 A (g) 2 B (s) + 3 C (g) + 20.5 kJ, at what ------ temperature(s) would you…

A: Gibbs free energy change is an extensive property as well as state function whose absolute value…

Q: Which substance has the greatest entropy, He(g) or Na(s)? Explainyour reasoning.

A: ENTROPY: Entropy is defined as a measure of the randomness or the disorderliness of a thermodynamic…

Q: 15) Consider the reaction for the decomposition of carbon tetrachloride gas: CCIA(g) C(s, graphite)…

A:

Q: The sign for the change in entropy is positive for ...

A: Entropy is basically a molecular disorder or randomness. Solid has less entropy than liquid. Liquid…

Q: 17. For the reaction: A + B → C AH°= +300 kJ/mol and AS° = +200 J/K.mol. At what temperature will…

A: Given, ∆H° = 300kJ/mol ∆S° = 200J/K.mol

Q: Δ G o     for the reaction H2(g) + I2(g) ⇌ 2HI(g) is 2.60 kJ/mol at 25 ° C. Calculate…

A:

Q: Which of the following reactions will be spontaneous at all temperatures? Select one: O a. H20(g) →…

A: Reaction is spontaneous or not it will be depends on ∆G sign ( if ∆G = +ve then it is nonspontaneous…

Q: Consider the reaction: 2 A (s) + 10.4 kJ ------ 2 B (s) + 3 C (g), at what temperature(s) would you…

A: For any reaction to be spontaneous, its Gibbs energy must be negative i.e below 0. Here, the…

Q: At SATP, which reaction below is spontaneous? A. CO2(s)→CO2(l) B. CO2(s)→CO2(g) C. CO2(g)→CO2(l) D.…

A: In this question, we have to find out the correct answer of given problem by the help of the concept…

Q: Consider the reaction between nitrogen and oxygen gas to form dinitrogen monoxide:2 N2(g) +…

A: (a) Given data contains, The enthalpy of reaction is +163.2kJ. Temperature is…

Q: Calculate the total entropy change for the decomposition of hydrogen peroxide. Supply all the…

A:

Q: For the reaction A+B↽−−⇀C+DA+B↽−−⇀C+D, assume that the standard change in free energy has a positive…

A:

Q: Adding sidewalk deicer (calcium chloride) to water causes the temperature of the water to increase.…

A: A crystal of CaCl​​​2 is highly ordered. Strong ionic bond holds the anions and cations together in…

Q: positive entropy change.

A:

Q: Predict how AG changes with increasing temperature for the reaction A(g) + B(g) - C(g). A) AG…

A: The given reaction is  A(g) + B(g) => C (g)  and  ΔH = -201 KJ/mol ΔS = -189.2 J/mol-K

Q: Which of the following statements are true about spontaneous processes? I. Spontaneous processes…

A: Spontaneous process :-  A process which takes place on its own without the need of any external…

Q: d standard entropy change for the reaction are: =-114.0 JK' mot", respectively. rgy change for the…

A: This question is related to Thermodynamics

Q: Consider the reaction: NH3 (g) + HCI (g) NHẠC1 (s) Given the following table of thermodynamic data,…

A: using the Enthalpy of formation, product-reactant  also apply the same concept to the entropy case .…

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2H9O(s) --> 2Hg(I) + O2(g)…

A:

Q: spontaneous

A:

Q: For the reaction C6H6 (l) + 3 H2 (g)  -->  C6H12 (l)        ΔHo = –206.7 kJ/mol What statement is…

A: We know that   ΔGo =  ΔHo - T ΔSo and for a reaction to be spontaneous  ΔGo should be negative.

Q: 2.6. The reaction COXg) H2(g)-> CO(g) + H20(g) is not spontaneous at room temperature but becomes…

A:

Q: Deposits of elemental sulfur are often seen near active volcanoes. Their presence may be due to the…

A:

Q: Which figure represents a process with a positive entropy change? 8. 8 8

A: Entropy :-  It is a measure of randomness or disorderness present in the system . If the randomness…

Q: 12. For a particular chemical reaction ΔΗ= 6.8 kJ and A--29 JK. Under what temperature condition Is…

A: Enthalpy of the given reaction is defined as the difference in the enthalpy of reactants and…

Q: Consider the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 298 K. What is Go for this reaction? What is…

A:

Q: Explain why the entropy is higher for a system with 5 particles in 3 energy states than for a system…

A: Basically,entropy is a unit of randomness. More the randomness in the system,more will be its…

Q: 9. Consider the chemical reaction below: 5x C-C | C-C + CC What will happen to AG if the reaction…

A: The given reaction is an example of Diels-alder reaction in which a conjugated diene reacts with a…

Q: 13. Which is TRUE about decreasing entropy? A. Spu> Sugsid> Sudd C. Suquid > Suia > S B. S< Suguit <…

A: Entropy of a substance is a measure of the randomness of the molecule present in the…

Q: Which of the following reactions will NOT be spontaneous at any temperature?          (A) 2SO3(g)…

A: If Delta G is negative then reaction is spontaneous and if positive then reaction will never be…

Q: Describe each  reaction  as spontaneous or non-spontaneous. Sn^2+  +  Br2 -----> Sn^4+  +  2Br^ -

A: A reaction is said to be spontaneous when its ∆G° value is negative. Relation between ∆G° and…

Q: onsider the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 298 K. What is Go for this reaction? What is…

A: The reaction is: 2 SO2 + O2 ↔2 SO3 Equilibrium constant K = [SO3]2 / [SO2]2 [O2]

Q: You are observing a reaction and discover that the reaction vessel is warm to the touch.  The…

A: Interpretation: We have to tell whether the reaction is spontaneous or not.

Q: Is this reaction spontaneous? Why or Why not?  CaC2(s) + 2H2O(l) ---> C2H2(g)  + Ca(OH)2(s) Delta…

A: The entropy change, ΔSrxn, for the reaction is; ∆Srxn=∆Sproduct-∆Sreactant=83.4 J mol-1K-1+200.8 J…

Q: At 25 °C the values of the standard enthalpy change and of the standard entropy change for certain…

A: Write the relation between ∆H0, ∆S0 and ∆G0. ∆G0=∆H0-T∆S0 Where ∆G0 is the standard Gibb's free…

Q: Indicate whether each process is spontaneous or nonspontaneous. a. water vapor condensing at 50 °C…

A: Answers are explained below.

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: Consider the following reaction at 298 K. C(graphite)+2Cl2(g)⟶CCl4(l)Δ?∘=−139 kJCalculate the…

A: C(graphite) + 2Cl2(g) → CCl4(l)△HRxn =-139 Kj△Ssystem = △HT = -139 ×103298△Ssys = -466.44…

Q: Which of the following processes will result in an increase in entropy for the system?          (A)…

A:

Q: For each reaction, calculate ΔH°rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the…

A: a.  2CH4(g)        C2H6(g) + H2(g)  Horxn = Hoproducts – Horeactants                = [-84.68 + 0] –…

Q: What is a spontaneous process?  A. is reversible.  B. Is irreversible  C. may be reversible or…

A: Entropy is a measure of randomness  ∆S = Ssystem + Ssurrounding = ( for reversible process) ∆S =…